THE MULTNOMAH COUNTY DRAINAGE DISTRICT PROTECTS LIVES, PROPERTY AND THE ENVIRONMENT BY MAINTAINING OUR LEVEE SYSTEM, MANAGING DRAINAGE, AND RESPONDING TO EMERGENCIES.
MCDD manages the Columbia corridor drainage districts, which include:
Peninsula Drainage District #1 | Peninsula Drainage District #2Multnomah County Drainage District #1 | Sandy Drainage Improvement Co.
Levee Ready Columbia Page Live
Levee Ready Columbia web page is now live. Check it out!Columbia River Data
